Finding the Fourth Proportional to 57,900,929.29, 86,854,187.15 and 19,038,520.82

Step by Step Solution

1. Step 1: Write the proportion equation
   57,900,929.29 : 86,854,187.15 = 19,038,520.82 : x
2. Step 2: Convert to fraction form
   57,900,929.29/86,854,187.15 = 19,038,520.82/x
3. Step 3: Cross multiply
   57,900,929.29x = 86,854,187.15 × 19,038,520.82
4. Step 4: Simplify right side
   57,900,929.29x = 1,653,575,250,359,451.50
5. Step 5: Solve for x
   x = 1,653,575,250,359,451.50/57,900,929.29
6. Step 6: Final answer
   x = 28,558,699.67